Senior Software Engineer Machine Learning Infrastructure in San Mateo

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences – all created by our global community of developers and creators. A key aspect of immersive experience is performance - less friction means players want to stay longer and come back for more. As the Engineering Manager for Consumer Apps - Performance, you will lead a team focused on making Roblox more performant, responsive, and resilient across all supported platforms - mobile, desktop, console. You'll drive research of performance optimization opportunities, and long-term strategy for regression defense and architecture improvements. Your work will directly influence company-level goals around monetization, engagement and retention. This role is based at Roblox HQ in San Mateo, CA (no remote option). You Will: Lead, mentor, and grow a high-performing engineering team. Support engineers, ranging from junior to senior, in their development. Foster a team culture of collaboration, innovation, and engineering excellence; while getting things done. Define and execute the product and technical strategy for performance improvements and re

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. As the Engineering Manager for Enterprise Security, you will be hands-on with the design, implementation, and strategy of the systems protecting Roblox's corporate infrastructure: endpoint security, network security, and supply chain security. You will build and lead the team that writes and runs this software, and partner across the company to help Roblox balance innovation with security risk management. You will be part of the Enterprise Security team, reporting to the Senior Manager of Enterprise Security and IAM, and will work closely with security leaders across InfoSec and cross-functionally with Corporate Engineering, DevOps, IT, and Product teams. This role is based in San Mateo with a hybrid schedule. You will: Lead and grow the team: Hire, coach, and develop a team of security software engineers. Own performance, career growth, and the technical culture of the team. Own the Enterprise Security roadmap: Define and drive strategy across the team's domains, balancing near-term risk reduction with durable platform investment. Security for AI, and AI for security: Set direction for how AI is deployed safely at Roblox: agent sandboxing, tool and MCP server access, scoped and short-lived

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. We are seeking a highly skilled and experienced Engineering Manager to join our Engine UI team. In this role, you will be responsible for leading the development of our state-of-the-art game engine, building out User Interface capabilities across all of Roblox. No matter the platform, be it mobile, desktop or consoles, you will help enable our game developers to unlock, accelerate, and promote the creation of high quality, performant UI that empowers meaningful interaction. You Will: Lead the development on our C++ engine code that powers the foundational UI features in the world’s most popular games, as well as the Roblox App and Roblox Studio Take lead in authoring and reviewing API proposals to expose UI capability to Luau; our fast, Lua-derived scripting language that powers user-generated creation Manage Senior Engineers and provide technical guidance Work closely with our game developer community to help achieve their creative vision Have fun learning about what makes Roblox an amazing platform and place to work, while supplying to industry leading technologies You have: 8+ years of professional development experience and 5+ years of management experience Fluent programmin

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. We are seeking an Engineering Manager to lead a critical area of Roblox Creator Success focused on Creator Analytics. This role requires strong technical leadership, sound engineering judgment, and the ability to lead through complex technical challenges. The ideal candidate brings experience in analytics platforms, experimentation systems, or large-scale data products, and is comfortable leading high-performing engineering teams. This role will be based in our San Mateo, CA headquarters (hybrid with Tues–Thurs onsite days). You Will: Own the technical direction and delivery of major investments across Creator Analytics systems. Set and uphold a high engineering quality bar. Lead a team of senior engineers across frontend, backend, and fullstack development. Drive alignment and execution across related partner teams including Product and Data Platform. Partner with senior engineering leadership to translate long-term technical strategy into durable roadmaps and execution plans. Help shape Creator Analytics into a best-in-class analytics platform for both emerging creators and professional developers. You Have: 8+ years of engineering experience, including work on large-scale and long-lived

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. Join Roblox as an Engineering Manager of Application Security and lead a team responsible for improving the security of our products, services, and development ecosystem. In this role, you will drive security across the software lifecycle, partnering with engineering teams to identify risks, improve secure development practices, and build scalable solutions that protect Roblox at scale. You will balance hands-on security work with longer-term investments in automation, tooling, and developer enablement. You will work closely with engineering, infrastructure, and security teams to reduce risk while enabling teams to move quickly and safely. This role reports to the Senior Manager of Application Security and is based in San Mateo with a hybrid schedule. You Have: 8+ years of experience in Information Security 2+ years of experience managing engineers Strong background in Application Security or Product Security Experience driving security programs across the software development lifecycle Solid understanding of common vulnerabilities (e.g., OWASP Top 10) and secure coding practices Experience working closely with engineering teams in modern environments (cloud, microservices, CI/CD) Prov

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. Roblox is looking for a Senior Director, Privacy, Product and Platform Security to lead the teams responsible for protecting the systems, products, services, and data that power the Roblox platform. This is an opportunity to define how security and privacy are engineered into one of the world’s largest and most ambitious platforms. You will work on problems that span product design, distributed systems, infrastructure, data, privacy, and emerging technology—helping protect the data and systems relied on by tens of millions of users and creators. You will bring Product Security, Platform Security, and Privacy Engineering together around a unified vision to protect the confidentiality, integrity, and availability of Roblox’s products, infrastructure, and data systems. The role will partner closely with Engineering, Infrastructure, Product, Legal, Privacy, Compliance, and other business leaders to make security and privacy durable properties of how Roblox designs, builds, deploys, and operates. Reporting to the Chief Information Security Officer, you will oversee a high-impact organization of security engineering leaders and senior individual contributors. You will operate as a peer to Infrast

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. Senior Director, Generative AI About the Role Roblox Build is our generative creation product, the platform where creators design, build, and publish 3D experiences. We are looking for a Senior Director of Generative AI to lead the Applied AI organization inside Build, responsible for turning state-of-the-art foundation models into high-quality, reliable creation systems at Roblox scale. This leader will own the full applied AI stack: model strategy and routing, model adaptation and fine-tuning, code generation (CodeGen), 3D layout generation (LayoutGen), and the evaluation science and infrastructure that tells us what actually works. You Will Own model strategy and routing for Build. Design and build an intelligent model layer that selects the right model for each creation task based on quality, capability, latency, cost, and safety, leveraging both frontier models and Roblox-adapted open-source models. Lead model adaptation across the Applied AI org, including fine-tuning, distillation, synthetic data generation, human feedback pipelines, and preference optimization for Roblox-specific creation tasks such as Luau code generation and 3D scene understanding. Drive CodeGen capabilities

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. Roblox's engineering team is expanding rapidly, and we're looking for a seasoned engineering leader to help us scale our AI-powered creation platform and team. As a Senior Engineering Manager within the Creator Group, you will lead the Studio Assistant team — driving the strategy and execution of our agentic AI system that powers creation for millions of Roblox creators. Your team owns everything end-end from the user experience in Studio, to the infrastructure underneath backend by a single cloud-native architecture: one harness, one tool set, one eval framework. Your work will empower millions of creators to plan, generate, and ship content faster than ever before. At Roblox we move fast and ship code to production daily; your leadership will increase productivity by removing obstacles and keeping processes lean. You will identify and mitigate risk and make sure the technology outpaces our growth. Roblox teams are inclusive, helpful, and have a strong sense of ownership over the things they build. If you have a desire to grow and learn, you will fit right in with our highly-skilled and ever-expanding engineering team. You Are: Battle ready: You have experience defining architecture for AI

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. Senior Engineering Manager, Safety Platform You will lead engineering pods within the Safety Platform organization, driving the technical vision and execution for the foundational systems that power every safety workflow at Roblox. You will own the core safety platform end-to-end: from the shared infrastructure and APIs that enable trust & safety capabilities across the company, to the tooling ecosystem that empowers internal operators to investigate, intervene, and resolve issues at scale. The scope also includes the Safety agentic platform — AI-powered systems that automate and augment safety workflows across detection, enforcement, and review pipelines. As the platform layer beneath every safety surface, your work will define how quickly and reliably Roblox can respond to emerging threats. This role requires a leader with a strong platform mindset who can balance technical rigor with broad organizational impact — working across User Safety, Trust & Safety Policy, Data Science, and Machine Learning to deliver scalable, extensible, and high-availability systems for one of the world's largest platforms. You Will: Lead and Develop: Recruit, hire, mentor, and inspire a diverse team of

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. As a Senior Content Designer , you’ll be a key member of the Accounts design team, playing a critical role in building the systems that keep Roblox safe, civil, and inclusive for a global community. You’ll focus on creating platform-level designs that make all accounts on Roblox accessible, authentic, and protected. Roblox’s mission is to connect a billion people with optimism and civility. The Safety organization is at the heart of that mission, working to ensure everyone has seamless and secure access to accounts tied to their identity. We also work on building a world-class account access and management system, ensuring safe and fun family experiences, supporting compliance with global regulations, and providing a healthy, inclusive environment for users of all ages. You’ll collaborate closely with cross-functional teams across product, design, engineering, and research, shaping the platform's approach to trust and safety through thoughtful design. This is an opportunity to work at the systems level—defining how safety and account are embedded across Roblox and designing reusable frameworks that power our vision of civil immersive online communities. You will: Own and deliver UX content

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. About the role: Avatars are core to our mission and everyday, millions of people come to Marketplace or other avatar shopping experiences to discover and shop for creations that help them express their individuality. They dress and play with their avatar as they connect with friends across thousands of immersive digital experiences. Powering the creativity of our Marketplace is our community of creators and developers who are building businesses and establishing their brand by selling creations. These creators range from individuals to small businesses to large brands, all of which are attracted to the Roblox platform, community and offerings. Our Marketplace is a critical component of Roblox’s economy, accounting for a third of economic activity on the platform. As a Senior Product Manager responsible for Avatar creators, you will have a front seat at shaping the future of the Marketplace and what it means to build an economy powered by our community. You will: Be responsible for building and shipping creator driven products that unlock more expression on the platform Have ownership of our UGC creator ecosystem, decide which new categories we should build, man

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. As a member of the Roblox Security Governance, Risk, and Compliance (GRC) team, you will play a key role in supporting the Security team’s mission. The GRC team is at the heart of Roblox's security organization — empowering every builder to make risk-informed decisions by establishing a portfolio of governing policies and standards, a repeatable and scalable method of assessing and quantifying risk, and a formal oversight process for GRC capabilities across Roblox. Our program takes a balanced, "right-sized" approach to security governance — combining qualitative and quantitative risk management methodologies, including Factor Analysis of Information Risk (FAIR), to assess and prioritize the security risks that matter most to Roblox. GRC partners closely with Engineering, Legal, Finance, and leadership — including providing regular reporting to the Board of Directors and the Audit & Compliance Committee — to ensure that security risk is visible, well-understood, and actioned appropriately. The team is in an exciting phase of growth and innovation. We are using engineering to drive automation across risk management, policy lifecycle management, supply chain risk, AI risk, and controls pr

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. Why Data Science And Engineering The Data Science & Engineering organization's mission is to increase our speed, frequency, and acumen in making decisions at scale by instilling a data-influenced approach to building products. We cover a wide area of the data spectrum, including analytical data engineering, product analytics, experimentation, causal inference, statistical modeling, and machine learning. Aligned and partnering with product verticals, we use this extensive tool belt to discover new opportunities and unmet use cases, influence and shape the product roadmap and prioritization, build data products, and measure impact on our community of players and developers. In Data Science & Engineering, you will build the macroeconomic models, simulation frameworks, and policy mechanics that scale Roblox’s virtual economy. By analyzing Robux currency dynamics, global pricing strategies, and developer exchange policies, your work will directly inform strategic decision-making, financial policy, and executive roadmaps on our road to connecting one billion users. You will: Develop, build, and refine macroeconomic models to forecast and monitor Robux money supply, velocity, inflati

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. We're building the future of entertainment, and our Support Operations team plays a crucial role in ensuring a positive experience for our growing community. Support Operations is chartered with enabling Roblox’s customer service operations teams, through change management, subject matter expertise and by transforming the customer experience through strategy and execution. Product Support Managers power that mission, owning the end to end service delivery experience for the product and feature teams they support. We're looking for an experienced Senior Product Support Manager to join our Support Operations team, focused on delivering exceptional agent and user experiences across some of our most important segments of users. You will report to the Director of Support Operations and work across teams at Roblox to make a step-change in the support experience. You will become a subject matter expert on specific Roblox’s product strategies, creating and innovating high-quality support experiences through chatbot and agent support channels. This role is highly cross-functional, bridging the gap between operations and product. Through data-driven insights, you will develop recommendati

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. About Roblox Live Roblox Live creates the moments that bring Roblox together . We turn music, entertainment, culture, and the creativity of our community into new ways to play and connect. From major platform celebrations to live performances and breakout creator moments, we give players something to show up for, experience with friends, and come back to. We’re a small, fast-moving team with the ambition to shape the future of live experiences on Roblox . We bring ideas to life with creators and partners, build the technology that makes them possible, and turn what works into tools that let the creator community take it further. The Role We’re looking for a Senior Program Manager to turn our slate of live experiences into a coordinated program. You will own the calendar, cross-team dependencies, budget ask, risk register, executive communications, and post-event playbooks. You will help shape new programs early, bringing ideas on formats and audience hooks, then build the plan that takes them through launch and learning. This is a senior individual contributor role for someone who can turn ambiguity into a plan and lead across teams through trust and judgment. You’ll work closely with